Mobile AC power unit



FIG. 1 is a perspective view showing our design for a mobile AC power unit embodying our design;

FIG. 2 is a top plan view of the mobile AC power unit illustrated in FIG. 1;

FIG. 3 is a front elevational view of the mobile AC power unit illustrated in FIG. 1; and,

FIG. 4 is a side elevational view of the mobile AC power unit illustrated in FIG. 1. The broken lines illustrated in FIG. 4 form no part of the claimed design. 

The ornamental design for mobile AC power unit, substantially as shown and described. 